Issue 2 06/2005 COMPANY CONFIDENTIAL 53Copyright © 2005 Nokia. All Rights Reserved.RH-53/54Nokia Customer Care■ RX Band Filter Response CompensationThis tuning measures the band filters ripple over the bands and the information is used to com-pensate the RX level reporting.Note: If you have a signal generator with a frequency list option, please perform Autotuning.Select Tuning, RX Band Filter Response CompensationSelect Band, for example GSM900Note: You must first tune the lower band to be able to tune the higer band. You can stop at anytime by switching off the menu. If the values are outside internal specifications, you can not savethem and you will have to leave the tuning without saving.Select manual tuning and press Start.You will now be guided through the 9 steps. Each step asks you to set the generator to a certainfrequency and when you press OK, the next step comes up. After every step the value foundis shown in bold.Figure 7: RX Band Filter Response Compensation stages (example)When all channels have been tuned you must press Save&Continue. It then continues with thehigh band.The high band tuning goes on like the low band. Every step leads to the next untill all channelshave been tuned.■ RX Channel Select Filter (Base Band filter)The tuning is made internally in the phone by itself. It is the low pass filters in Mjoelner that iscalibrated/tuned. Only result is OK or Not OK.
